Home / 74,805.28-103,218.60-44,590.06

Finding the Fourth Proportional to 74,805.28, 103,218.60 and 44,590.06

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Solution

The fourth proportional to 74,805.28, 103,218.60 and 44,590.06 is: 61,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,805.28 : 103,218.60 = 44,590.06 : x
  2. Step 2: Convert to fraction form
    74,805.28/103,218.60 = 44,590.06/x
  3. Step 3: Cross multiply
    74,805.28x = 103,218.60 × 44,590.06
  4. Step 4: Simplify right side
    74,805.28x = 4,602,523,567.12
  5. Step 5: Solve for x
    x = 4,602,523,567.12/74,805.28
  6. Step 6: Final answer
    x = 61,526.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.